www.pudn.com > tdi_fw.zip > obj_tbl.h

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil -*- (for GNU Emacs) 
// 
// $Id: obj_tbl.h,v 1.2 2002/10/01 12:54:02 dev Exp $ 
 
#ifndef _obj_tbl_h_ 
#define _obj_tbl_h_ 
 
#include "filter.h" 
 
NTSTATUS	ot_init(void); 
void		ot_free(void); 
 
#define FILEOBJ_CONTROLOBJ	0 
#define FILEOBJ_ADDROBJ		1 
#define FILEOBJ_CONNOBJ		2 
 
NTSTATUS	ot_add_fileobj( 
	PDEVICE_OBJECT devobj, PFILE_OBJECT fileobj, int fileobj_type, CONNECTION_CONTEXT conn_ctx, 
	int no_guard); 
 
NTSTATUS	ot_del_fileobj( 
	PFILE_OBJECT fileobj, int *fileobj_type); 
 
// maximum length of TDI_ADDRESS_TYPE_* 
#define TDI_ADDRESS_MAX_LENGTH	TDI_ADDRESS_LENGTH_OSI_TSAP 
#define TA_ADDRESS_MAX			(sizeof(TA_ADDRESS) - 1 + TDI_ADDRESS_MAX_LENGTH) 
#define TDI_ADDRESS_INFO_MAX	(sizeof(TDI_ADDRESS_INFO) - 1 + TDI_ADDRESS_MAX_LENGTH) 
 
// max event index 
#ifdef TDI_EVENT_ERROR_EX 
// 2k 
#	define MAX_EVENT	(TDI_EVENT_ERROR_EX + 1) 
#else 
// NT4 
#	define MAX_EVENT	(TDI_EVENT_CHAINED_RECEIVE_EXPEDITED + 1) 
#endif 
 
/* replaced context */ 
typedef struct { 
	PFILE_OBJECT	fileobj;		/* address object */ 
    PVOID			old_handler;	/* old event handler */ 
    PVOID			old_context;	/* old event handler context */ 
} TDI_EVENT_CONTEXT; 
 
struct ot_entry { 
	ULONG signature; 
	struct ot_entry		*next; 
	 
	ULONG				pid; 
	 
	PDEVICE_OBJECT		devobj; 
	PFILE_OBJECT		fileobj; 
	PFILE_OBJECT		associated_fileobj; 
	 
	int					type; 
	 
	TDI_EVENT_CONTEXT	ctx[MAX_EVENT]; 
	UCHAR				local_addr[TA_ADDRESS_MAX]; 
	UCHAR				remote_addr[TA_ADDRESS_MAX]; 
 
	CONNECTION_CONTEXT	conn_ctx; 
}; 
 
struct ot_entry	*ot_find_fileobj(PFILE_OBJECT fileobj, KIRQL *irql); 
// Note: don't forget KeReleaseSpinLock(&g_ot_hash_guard, irql); 
 
extern KSPIN_LOCK g_ot_hash_guard; 
 
NTSTATUS	ot_add_conn_ctx( 
	PFILE_OBJECT addrobj, CONNECTION_CONTEXT conn_ctx, PFILE_OBJECT connobj); 
 
NTSTATUS	ot_del_conn_ctx( 
	PFILE_OBJECT addrobj, CONNECTION_CONTEXT conn_ctx); 
 
PFILE_OBJECT ot_find_conn_ctx( 
	PFILE_OBJECT addrobj, CONNECTION_CONTEXT conn_ctx); 
 
#endif